毕业论文标题:我国汽车尾气排放控制现状与对策学生姓名:李琛系部:汽车运用系专业:汽车运用技术班级:汽运1002班指导教师:罗洋坤株洲职业技术学院教务处制目录摘要.............................................(1)1概述..........................................(3)1.1我国汽车目前状况.................................(3)1.2汽车尾气给人们的生活带来危害.....................(4)2油品对汽车尾气的影响..................................(5)2.1油品对汽车尾气的影响.............................(5)3我国汽车尾气的控制方法................................(6)3.1汽车燃油的改用...................................(6)3.2汽车发动机内部的调试.............................(7)3.3发动机内部净化处理措施...........................(8)3.4发动机外部尾气净化措施...........................(8)4未来汽车尾气控制发展趋势..............................(9)4.1催化剂降低汽车尾气污染...........................(9)4.2未来汽车发展方向................................(10)结论....................................................(12)参考文献................................................(13)后记....................................................(14)1摘要随着经济的高速发展,21世纪的今天,汽车是人类不可缺少的交通工具,但汽车尾气却是大气的主要污染源。本文的目的在于帮助大家认清汽车尾气污染的危害性,增强人们的环保意识,唤起人们加快治理汽车尾气污染的步伐。环保和节能,是当今和未来经济社会发展中人类面临的重大课题。汽车尾气是空气污染的主要因素,我国城市大气污染中,汽车尾气排放所占比例已超过70%,因此,加强汽车排放控制和治理刻不容缓。我国汽车石油消耗量约占全国石油消费的1/3以上,而且随着汽车保有量的增加,我国汽车污染物排放总量也日趋上升,汽车排放造成的大气污染严重影响了人们的生活和身心健康。因此,在汽车工业发展和环境保护之间,需要寻求新的平衡,对与解决汽车尾气排放污染的问题急需寻求新的对策。我国根据现有的汽车现有量和目前的道路状况以及排放的问题,出台了一系列的文件并采取了一定的措施来改观目前的状况。关键字:汽车尾气排放现状,控制现状,对策2AbstractWiththerapideconomicdevelopment,twenty-firstCenturytoday,thecarisanindispensablemeansoftransportation,buttheautomobileexhaustisthemainsourceofatmosphericpollution.Thepurposeofthispaperistohelppeoplerecognizetheautomobiletailgaspollution,enhancepeople'sawarenessofenvironmentalprotection,toarousethepeopletoacceleratethepaceofmanagementofautomobileexhaustpollution.Environmentalprotectionandenergysaving,iscurrentandfutureeconomicandsocialdevelopmentisthemajortaskthatthemankindfaces.Automobileexhaustgasisamajorfactorinairpollution,airpollutionofourcountrycity,carexhaustemissionratiohasexceeded70%,therefore,tostrengthentheautomotiveemissioncontrolandgovernancebrooknodelay.Ourcountryautomobileoilconsumptionoilconsumptionaccountedforabout1/3ormore,andasthecarretainsthequantityincreases,ourcountryautomobilepollutanttotalamountisincreasing,automobileemissionscausedbyairpollutionseriouslyaffectspeople'slivesandhealthofbodyandmind.Therefore,inthedevelopmentofautomobileindustryandenvironmentalprotection,needtoseeknewbalance,tosolvetheproblemofpollutionofvehicleemissionsneedtoseeknewcountermeasures.AccordingtoChina'sexistingcaravailablequantityandthecurrentroadconditionsandemissionproblems,issuedaseriesofdocumentsandtakesomemeasurestochangethepresentsituation.Keywords:Automobileexhaustemissionstatus,Controlstatus,Countermeasures31概述1.1我国汽车目前状况随着我国经济的迅速发展,人民生活水平不断...